Graduated from Shanxi Medical University in 1988 with a master's degree, and is a chief physician. Work unit: Chief Physician of the Prenatal Ultrasound Diagnosis Room at Peking University People's Hospital. Clinical and Research Work: Since joining the Obstetric Ultrasound Room of Peking University People's Hospital in 2005, has been dedicated to the prenatal ultrasound diagnosis of various fetal malformations, with particular focus on prenatal ultrasound research on congenital heart malformations. In addition to undertaking prenatal ultrasound referral and consultation work in Beijing, receives a large number of referral and consultation cases from across the country each year. As a discipline leader, has established the advantage of Peking University People's Hospital in prenatal ultrasound diagnosis of fetal congenital heart malformations nationwide. Since 2011, has successively undertaken 1) Capital Health Development Scientific Research Special Project (2011-4022-07) "Research on the Construction of an Ultra-Thin Tomographic Section Database and Three-Dimensional Models of the Hearts of Normal Fetuses and Fetuses with Congenital Heart Malformations." 2) Beijing Health Science and Technology Achievement and Appropriate Technology Promotion Project (TG-2015-004) "Promotion and Application of the Continuous Transverse Scanning Technique for the Fetal Heart." 3) National Natural Science Foundation of China Emergency Management Project (81641060) "Database of Cardiac Anatomical Phenotypes and Detection of Chromosomal Aberrations in Fetuses with Congenital Heart Malformations." 4) Capital Health Development Scientific Research Special Project (2018-2-4083) "First-Trimester Diagnosis of Fetal Congenital Heart Malformations and Related Research." Since 2013, has held 5 consecutive national-level continuing education projects, "Application of the Anatomical Database of Common Fetal Congenital Heart Malformations in Echocardiographic Technique Training." Each year, lectures at more than 30 academic conferences across the country, promoting, popularizing, and improving the level of prenatal ultrasound diagnosis. Has published more than 20 papers in core journals at home and abroad. Obtained one national-level patent: a preprocessing method for the fetal heart. Established for the first time at home and abroad a database of tomographic sections of different types of fetal congenital heart disease.